@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
treeitem[selected="true"] > treerow{background:transparent!important;border:none!important;color:-moz-FieldText!important}
treecell:hover{text-decoration:underline!important;color:navy!important;cursor:pointer}
treecell:hover:active{text-decoration:underline!important;color:red!important}